Grinder.



C. SCHWARTZ.

GRINDER.

APPLICATION FILED NOV. 0. WM. 4 1,159,108. I Patented Nov. 2,1915.

1 1:0 1 al r j 1 cl.-

COLUMBIA PLANOGRAP M CO.,WASHINGTON, D c.

tion-Figure 1 is a longitudinal sectional ANT 0mm cARL SCHWARTZ, or oRw LL, NEW YORK, AssIGNoRoF oars-HALF,ro= vriiR-vm. J".

WEED, or oRwnLL, NEW YORK.

To all whom it may concern: H

Be it known that I, CARL SCHWARTZ, a

and btate of New York, have invented cer-,

tain new and useful Improvements in Grinders, of which the followingis a specification.

My invention relates to improvements in grinding devices, 'more particularly to devices of this character adapted to be em ployedi in connection with the operating means of horse clippers and similar devices for-sharpening the same, and has for one of its objects to improve the construction and increase the efliciency and durability of devices of this character.

Another object of theinvention is to provide a simply constructed device adaptedto be coupled to the flexible shaft socket usually employed in connection with horse clipper and similar devices and to temporarily replace the same. 1

Another object of the invention is to pro-' vide a simply constructed attachment for a device of this character which receives the impact and wear of the abrasive member which may be renewed when worn at a trifling expense, and thus prevent the abra sive member from deteriorating the supporting parts.

lVith these and other obj invention consists in certain novel features of construction as hereinafter shown and described and then specifically pointed out in the claims; and in the drawings illustrative of the preferred embodiment of the invenelevation of the improved device applied to a conventional flexible shaft coupling or socket. Fig. 2 is a plan view of the improved device. Fig. 3 is a view similar to Fig. 1 illustrating a modification in the construction. Fig. 4 is a front view of the parts shown in Fig. 3 without the abrading member and its holding nut. Fig. 5 represents a plurality of the auxiliary protectingmembers of varying thicknesses.

Corresponding and like parts are referred to in the following description and-indicated in all the views of the drawings by the same reference characters. I

The improved device is designed to be coupled to the ordinary tapered coupling socket of a flexible shaft, more particularly to a flexibleshaft employed in connection with GRINDER.

I Specification of Letters Patent.

ects in view the 'PatentedNov. 2, 1915,

Application filed November 10,1914. Serial No.;87 1,337.

horse clipper devices and the like, but it is I not desired to lim t the invention to any specific 1 construction of the driving mechanlsm, but for the purpose-ofv illustrationthe improved dev ce is shown associated withthe conventional tapered socket usually em ployedin connection with flexible shaftsand whlch lncludes a sleeve 10 having the usual .flexibleenvelop or cover of the shaft coupled thereto, a portion of the flexible envelop being illustrated at 11 and coupled in the usual manner to'the sleeve 10. The flexible shaft member, a portion of which is repre sented at 12, extends through the envelop 11 and into the sleeve 10, as shown in Fig. 1. r

V I The improved 7 attachment comprises a. sleeve 13 having a tapered terminal 14 to engage in the tapered socket 10, as shown in Fig. 1. Mounted for rotation within the sleeve 13 is a shaft 15 having an eye 16 at one end to enable it to be'coupled to the,

usually an emery wheel, and represented at 20, is mounted ,uponthe shaft 15 between the members 1718 and clampedin position by v actuating the members 18-19 with a wrench or like implement in the usual manner.

The shaft 15 is formed with an annular channel 21 with which the inner end 22 of a threaded plug 23 engages, to hold the shaft from longitudinal movement relative to the sleeve.

By thissimple means, when it is desiredv to employ the grinding element, the horse clipper device, or other implement which may be engaged in the socket 10, is detached I and replaced by the socket 1314, the lat ter being coupled to the flexible shaft by the eye 16 so that when motion is imparted to the flexible element 12 the grinder element 20 will be' actuated or correspondingl rotated. By providing the stop member 14 and rigidly coupling the same to the shaft,

the wear or friction is borne entirely'between the members 1713 and the parts thus protected from abrasive action from the member 20. p

In Figs. 3, and 4, aslight modification in the construction is shown consisting in forming the shaft 15 with a reduced portion 24 whereby an annular shoulder 25 is produced. In the modified structure a recess 26 is formed in the face of themember 17 and a washer 27 disposed over the replurality of the members 27 of varying thicknesses will preferably be provided with each device, so that the members 20 of correspondingly varying thickness may be employed without discarding the remaining portion of the device by simply substituting washers 27 of a thickness to correspond to the thicknesses of the members 20. Thus the same sleeve and other parts may be employed for abrading members of various sizes.

The washers 27 may be of any suitable material but will preferably be of tempered steel, and operate as a protector to the portion 17 of the sleeve.

The improved device is simple in construction, can be manufactured and applied without material increase of expense, and enables the same power, including'fiexible shaft and its socket, to be employed for a variety of purposes.

Having thus described the invention, what is claimed as new is In a device of the class described, a sleeve externally tapered toward one end and with a lateral flange at the other end, said flanged end having a seat extending into the flange, a shaft extending through said sleeve and with means at one end adapted to receive a shaft coupling, a shaft cover having an in ternally tapered socket for engaging the externally tapered portion of the sleeve, an annular bearing member engaging said seat, and means adapted to clamp an abrading element upon said shaft and against said bearing member.

In testimony whereof I affix my signature in presence of two witnesses. I

' CARL SCHWARTZ. [1,. s]

Witnesses MERVIN J. WEED,

WILLIAM K. LAMB.

Copies of this-patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

